As Alf correctly identified, it's a (frosty) fairlead.
Is the point of them to protect the paintwork? They certainly don't seem to protect the ropes.
Marking time while we wait to return to NP - NP-XL moored on Thames, Crew moored in South of England Yes, well done to you all who managed to get the latest Winter Wassat.. It was the top...
12 hours ago